alert(1)
alert(1);

let a=1;

<svg onload=alert(1)>
<svg/onload=alert()>
<script>alert(1)</script>

<script>
</script>
<script
<!--<script
</body>
<body>

<!--
-->
//
/*
*/

;
:
"
'
`
*
{
}
[
]
\

let b=
var c=
const d=
